Smart Junction Box (SJB) C2280b
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
SMART JUNCTION BOX (SJB) C2280B CONNECTOR CIRCUIT REFERENCE
| Pin Number (s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 9 | 1417 (LG/RD) dimmable backlighting power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 10 | 1417 (LG/RD) dimmable backlighting power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 11 | 1417 (LG/RD) dimmable backlighting power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 12 | 1418 (LB/WH) dimmable backlighting power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 13 | 1418 (LB/WH) dimmable backlighting power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 21 | 1405 (LB/BK) illumination dimmer power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |
| 32 | 2085 (VT/YE) illumination reference voltage | 0 volts with the headlamp switch in the OFF position. 5 volt reference voltage from the instrument panel dimmer switch to the SJB with the headlamp switch in the ON position. |
| 43 | 1403 (BK/WH) illumination dimmer power supply | 0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position. |